C++ (Cpp) getObjectGravity Examples

Example #1

File: ObjectMotionState.cpp Project: MarcelEdward/hifi

void ObjectMotionState::handleEasyChanges(uint32_t flags, PhysicsEngine* engine) {
    if (flags & EntityItem::DIRTY_POSITION) {
        btTransform worldTrans;
        if (flags & EntityItem::DIRTY_ROTATION) {
            worldTrans.setRotation(glmToBullet(getObjectRotation()));
        } else {
            worldTrans = _body->getWorldTransform();
        }
        worldTrans.setOrigin(glmToBullet(getObjectPosition()));
        _body->setWorldTransform(worldTrans);
    } else if (flags & EntityItem::DIRTY_ROTATION) {
        btTransform worldTrans = _body->getWorldTransform();
        worldTrans.setRotation(glmToBullet(getObjectRotation()));
        _body->setWorldTransform(worldTrans);
    }

    if (flags & EntityItem::DIRTY_LINEAR_VELOCITY) {
        _body->setLinearVelocity(glmToBullet(getObjectLinearVelocity()));
        _body->setGravity(glmToBullet(getObjectGravity()));
    }
    if (flags & EntityItem::DIRTY_ANGULAR_VELOCITY) {
        _body->setAngularVelocity(glmToBullet(getObjectAngularVelocity()));
    }

    if (flags & EntityItem::DIRTY_MATERIAL) {
        updateBodyMaterialProperties();
    }

    if (flags & EntityItem::DIRTY_MASS) {
        updateBodyMassProperties();
    }
}

Example #2

void ObjectMotionState::handleEasyChanges(uint32_t flags) {
    if (flags & EntityItem::DIRTY_POSITION) {
        btTransform worldTrans;
        if (flags & EntityItem::DIRTY_ROTATION) {
            worldTrans.setRotation(glmToBullet(getObjectRotation()));
        } else {
            worldTrans = _body->getWorldTransform();
        }
        worldTrans.setOrigin(glmToBullet(getObjectPosition()));
        _body->setWorldTransform(worldTrans);
    } else if (flags & EntityItem::DIRTY_ROTATION) {
        btTransform worldTrans = _body->getWorldTransform();
        worldTrans.setRotation(glmToBullet(getObjectRotation()));
        _body->setWorldTransform(worldTrans);
    }

    if (flags & EntityItem::DIRTY_LINEAR_VELOCITY) {
        _body->setLinearVelocity(glmToBullet(getObjectLinearVelocity()));
        _body->setGravity(glmToBullet(getObjectGravity()));
    }
    if (flags & EntityItem::DIRTY_ANGULAR_VELOCITY) {
        _body->setAngularVelocity(glmToBullet(getObjectAngularVelocity()));
    }

    if (flags & EntityItem::DIRTY_MATERIAL) {
        updateBodyMaterialProperties();
    }

    if (flags & EntityItem::DIRTY_MASS) {
        float mass = getMass();
        btVector3 inertia(0.0f, 0.0f, 0.0f);
        _body->getCollisionShape()->calculateLocalInertia(mass, inertia);
        _body->setMassProps(mass, inertia);
        _body->updateInertiaTensor();
    }
}

Example #3

void ObjectMotionState::updateBodyVelocities() {
    setBodyLinearVelocity(getObjectLinearVelocity());
    setBodyAngularVelocity(getObjectAngularVelocity());
    setBodyGravity(getObjectGravity());
    _body->setActivationState(ACTIVE_TAG);
}